from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An antihistamine and sedative drug that blocks the effect of histamine at H1 receptor sites, reducing smooth muscle contraction.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. antihistamine (trade name Benadryl) used to treat allergic reactions involving the nasal passages (hay fever) and also to treat motion sickness
Sorry, no etymologies found.